Ａクラス

noun, noun which may take the genitive case particle 'no'

A class; first class; top grade

Used for ranking, grading, or categorizing something as the highest or best tier. Often appears in contexts like sports leagues, product grades, or academic levels.

• 彼かれはＡクラスの選せん手しゅだ。

  He is an A-class player.

• このホテルはＡクラスのサービスを提てい供きょうしている。

  This hotel provides first-class service.